package com.techno.chatpipe;

import java.io.IOException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.google.appengine.api.users.UserService;
import com.google.appengine.api.users.UserServiceFactory;

public class UserAuth extends HttpServlet {
	/**
	 * 
	 */
	private static final long serialVersionUID = -8982138048946118446L;

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws IOException {
		UserService userService = UserServiceFactory.getUserService();
		String thisURL = request.getRequestURI();
		if (request.getUserPrincipal() != null) {
			response.getWriter().println(
					"<p>Hello, " + request.getUserPrincipal().getName()
							+ "!  You can <a href=\""
							+ userService.createLogoutURL(thisURL)
							+ "\">sign out</a>.</p>");
		} else {
			response.getWriter().println(
					"<p>Please <a href=\""
							+ userService.createLoginURL(thisURL)
							+ "\">sign in</a>.</p>");
		}
	}
}